Modeste Cuypers (1 April 1883 – 7 March 1944) was a Belgian fencer. He competed at the 1920 and 1928 Summer Olympics.
After his death during World War 2, a street in his hometown Zichem was named after Cuypers. The official street name is "Kapt. M. Cuypersstraat", short for Captain Modest Cuypersstreet.